Thiruvaiyathukudi is a village in Papanasam tehsil in district of Thanjavur, Tamil Nadu, India. As per the data provided by Census of India in 2011, total population of Thiruvaiyathukudi was 1,598 which includes 787 males and 811 females. Thiruvaiyathukudi covers 275.53 ha area. Pincode of Thiruvaiyathukudi is 614205.